MMSDFMacarthur Minerals Ltd.

About Macarthur Minerals Ltd. (MMSDF)

Macarthur Minerals Ltd. (MMSDF) is a N/A company headquartered in Milton, QL, Australia whose shares trade over-the-counter on the Pink tier.

Macarthur is an iron ore development, and lithium exploration company that is focused on bringing to production its Western Australia iron ore projects. The Lake Giles Iron Project mineral resources include the Ularring hematite resource (approved for development) comprising Indicated resources of 54.5 million tonnes at 47.2% Fe and Inferred resources of 26 million tonnes at 45.4% Fe and the Lake Giles magnetite resource of 53.9 million tonnes (Measured), 218.7 million tonnes (Indicated) and 997 million tonnes (Inferred). The Lake Giles Iron Project also contains Proven Ore Reserves of 51.9 Mt and Probable Ore Reserves of 184.7Mt. Macarthur also holds 24 square kilometre tenement area iron exploration interests in the Pilbara region of Western Australia. In addition, Macarthur has lithium brine Claims in the emerging Railroad Valley region in Nevada, USA.

Products and services

Mineral Exploration and Development

MMSDF key facts

Ticker symbol

MMSDF

Market tier

Pink

Headquarters

Milton, QL, Australia

Country of incorporation

AU

Year of incorporation

2002

Employees

8

Estimated market cap

$1.68M (as of May 8, 2025)

Shares outstanding

199,665,510

Reporting standard

International Reporting: TSX Venture Exchange

Audit status

Audited

Fiscal year end

3/31

Latest filing

Interim Financial Report (Dec 31, 2024)

Macarthur Minerals Ltd. leadership

• Suzy Phillips — Manager
• Mima Wirakara — Company Secretary

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